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Significant accounting policies (Tables) | 12 Months Ended
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Dec. 31, 2017
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Schedule of Significant Subsidiaries | The following are the significant subsidiaries included in these financial statements:
Name |  | Country of Incorporation |  | Ownership interest |
| 2017 |  |  | 2016 |
Copa Airlines |  | Panama |  |  | 99 | % |  |  | 99 | %
Copa Colombia |  | Colombia |  |  | 99 | % |  |  | 99 | %
Oval |  | British Virgin Islands |  |  | 100 | % |  |  | 100 | %
Estimated Useful Lives of Assets and Considering Residual Value | Depreciation is recognized in the consolidated statement of profit or loss from the date the property, and equipment is installed and ready for use.
|  | Estimate useful |  | Residual |
Property and equipment |  | life (years) |  | Value |
Flight equipment - |  |  |  |  |  |
Airframe and engines |  | 27 |  |  | 15 | %
Major maintenance events |  | 3-16 |  |  | — |
Ramp and miscellaneous - |  |  |  |  |  |
Ground equipment |  | 10 |  |  | — |
Furniture, fixture, equipment and other |  | 5-10 |  |  | — |
Leasehold improvements |  | Lesser of remaining lease term and estimated useful life of the leasehold improvement |  |  | — |

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- Definition The disclosure of information about property plant and equipment estimated useful lives. + References No definition available. + Details
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- Definition The disclosure of information about unconsolidated subsidiaries. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2017-01-01 -Paragraph 19B -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2017-03-01&anchor=para_19B&doctype=Standard -URIDate 2017-03-09 + Details
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